/*
 * Copyright 2010 Gal Dolber.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.unnison.framework.client.command;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.unnison.framework.client.command.action.Action;
import com.unnison.framework.client.command.action.Response;

/**
 * Persistence service interface.
 */
public interface CommandService {

    /**
     * Execute a command.
     * @param <A> Action
     * @param <R> Response
     * @param action Action
     * @return Response
     */
    <A extends Action<R>, R extends Response> void execute(A action, AsyncCallback<R> callback);

    /**
     * Execute a command with the next request.
     * @param <A> Action
     * @param <R> Response
     * @param action Action
     * @return Response
     */
    <A extends Action<R>, R extends Response> void executeLater(A action, AsyncCallback<R> callback);
}
